When can I plant Aubrieta in Zone 10b

One of the best tools that we have as gardeners to help us figure out our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

In Zone 10b you can figure out when you can plant aubrieta by using the USDA zone info.


Planting Calendar for Aubrieta

Frost tolerance for aubrieta: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Aubrieta can survive in mild cold which means that you can plant them a little earlier in the year than other frost tender plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant aubrieta
Possibly ok, but a risky time to plant aubrieta
Probably not a good time to plant aubrieta

The earliest that you can plant aubrieta in Zone 10b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant aubrieta and expect a good harvest is probably October. Any later than that and your aubrieta may not have a chance to fully mature. Starting your aubrieta indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 10b the average date of last frost happens on January 31. In the coldest months of winter we can expect an average low temperature of 35°F.

Keep in mind that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 10b and it will vary from year to year. Since half of the time in Zone 10b it frosts late in the year after January 31 be ready to cover your aubrieta in the event of a late frost.

USDA Zone Info for Zone 10b

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)January 31
Average Date of First Frost (fall)December 15
Lowest Expected Low35°F
Highest Expected Low40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Zone 10b

You may be interested in our other planting guides for Zone 10b.